Chiang Khong Weather in May
Average highs run from 33°C on May 1 to 31°C on May 31, and lows from 21°C to 22°C. Normal precipitation for the month is 123 mm over about 20 wet days.
May day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
May at a glance
- Average high
- 32°C
- Average low
- 22°C
- Precipitation
- 123 mm
- Reanalysis high
- 40°CMay 8, 2003
- Reanalysis low
- 16°CMay 20, 2000
- Daylight
- 12 h 53 min to 13 h 16 min
- Cloud cover
- 74%
- Humidity
- 71%
- Dew point
- 20°C
- Wind
- 4.3 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 33°C | 21°C | 37°C 2007 | 19°C 2003 | 53% |
| May 2 | 33°C | 22°C | 37°C 2019 | 19°C 2003 | 53% |
| May 3 | 33°C | 22°C | 37°C 2012 | 19°C 2003 | 54% |
| May 4 | 33°C | 22°C | 36°C 2015 | 20°C 2007 | 54% |
| May 5 | 33°C | 22°C | 38°C 2010 | 19°C 2007 | 54% |
| May 6 | 33°C | 22°C | 38°C 2010 | 19°C 2004 | 55% |
| May 7 | 33°C | 22°C | 40°C 2003 | 20°C 1999 | 55% |
| May 8 | 33°C | 22°C | 40°C 2003 | 18°C 2004 | 56% |
| May 9 | 33°C | 22°C | 39°C 2016 | 18°C 1999 | 56% |
| May 10 | 33°C | 22°C | 40°C 2016 | 17°C 1999 | 58% |
| May 11 | 32°C | 22°C | 39°C 2016 | 17°C 2001 | 57% |
| May 12 | 32°C | 22°C | 38°C 2016 | 16°C 1999 | 59% |
| May 13 | 32°C | 22°C | 37°C 2014 | 17°C 1999 | 59% |
| May 14 | 32°C | 22°C | 38°C 2010 | 17°C 2006 | 60% |
| May 15 | 32°C | 22°C | 38°C 2015 | 17°C 2006 | 60% |
| May 16 | 32°C | 22°C | 37°C 2013 | 17°C 2006 | 61% |
| May 17 | 32°C | 22°C | 38°C 2005 | 18°C 2017 | 63% |
| May 18 | 32°C | 22°C | 38°C 2005 | 18°C 2006 | 64% |
| May 19 | 32°C | 22°C | 39°C 2019 | 18°C 2000 | 65% |
| May 20 | 32°C | 22°C | 39°C 2019 | 16°C 2000 | 65% |
| May 21 | 32°C | 22°C | 37°C 2013 | 16°C 2000 | 66% |
| May 22 | 32°C | 22°C | 37°C 2020 | 17°C 2000 | 68% |
| May 23 | 32°C | 22°C | 38°C 2020 | 19°C 2000 | 70% |
| May 24 | 32°C | 22°C | 36°C 2009 | 20°C 1993 | 70% |
| May 25 | 32°C | 22°C | 37°C 2020 | 19°C 1998 | 71% |
| May 26 | 32°C | 22°C | 38°C 2020 | 19°C 1998 | 70% |
| May 27 | 32°C | 22°C | 38°C 2003 | 19°C 2017 | 69% |
| May 28 | 32°C | 22°C | 39°C 2003 | 19°C 1997 | 71% |
| May 29 | 31°C | 22°C | 40°C 2003 | 20°C 2002 | 73% |
| May 30 | 31°C | 22°C | 36°C 1992 | 19°C 2009 | 75% |
| May 31 | 31°C | 22°C | 36°C 1992 | 20°C 1997 | 74% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- May 1
- sunrise 5:49 AM, sunset 6:42 PM
- May 31
- sunrise 5:38 AM, sunset 6:54 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-29. Sun and moon: computed with the NOAA solar equations and Meeus.